
https://www.brookings.edu/research/the-national-security-grounds-for-investigating-musks-twitter-acquisition/?utm_campaign=brookings%20brief&utm_medium=email&utm_content=232621770&utm_source=hs_email

http://www.cesifo-group.de/ifoHome/facts/DICE/Banking-and-Financial-Markets/Financial-Markets/Financial-Market-Regulation/DR-2017-1-oez-wech-macroprud-pol/fileBinary/DR-2017-1-oez-wech-macroprud-pol.pdf

http://www.inegalites.fr/spip.php?page=analyse&id_article=2289&id_rubrique=64&id_mot=30&id_groupe=9